Home / Plumbing / Compression / Large F 1″ Brass Backnut Customer matched zone "UK" View basket “15Mmx12Mm 3 Part Reducing Set” has been added to your basket. Large F 1″ Brass Backnut£0.07 This product is available for pickup in Orpington. Large F 1" Brass Backnut quantity Delivery Store Collection SKU: 35310WC01 Category: Compression Product ID: 6940 Reviews Related products 15Mm Copper Olives £0.14 Add to basket 22Mm Copper Olives £0.22 Add to basket Sale! 35Mmx15Mm 3 Part Reducing Set £4.24 Original price was: £4.24.£3.99Current price is: £3.99. Add to basket 10Mmx8Mm 3 Part Reducing Set £0.39 Add to basket